#3B090A#3B090A

#3B090A is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.5% C 0.078 H 24.5°. Best body text is #FFFFFF at 17.08:1 contrast (WCAG AA passes).

Color values

HEX	#3B090A
RGB	rgb(59, 9, 10)
HSL	hsl(359, 74%, 13%)
HSV	hsv(359, 85%, 23%)
CMYK	cmyk(0%, 84.7%, 83.1%, 76.9%)
CIE-LAB	lab(10.16, 24.25, 11.72)
CIE-LCH	lch(10.16, 26.94, 25.80°)
OKLab	oklab(23.49% 0.0706 0.0322)
OKLCH	oklch(23.49% 0.078 24.5)
XYZ	xyz(1.9563, 1.1474, 0.4056)
Luminance	0.0115 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B090A #093B3A

analogous

#3B0923 #3B090A #3B2109

triadic

#3B090A #0A3B09 #090A3B

tetradic

#3B090A #233B09 #093B3A #21093B

square

#3B090A #233B09 #093B3A #21093B

split-complementary

#3B090A #093B21 #09233B

monochromatic

#1B0405 #1B0405 #3B090A #701113 #A5191C

Accessibility & contrast

On white

17.08

#3B090A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#3B090A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B090A

17.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B090A	#FFFFFF	#000000	##FFFFFF
##3B090A	1.00	17.08	1.23	17.08
#FFFFFF	17.08	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18150A

Deuteranopia (green-blind)

#242008

Tritanopia (blue-blind)

#42000A

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #3b090a;
/* rgb */ color: rgb(59, 9, 10);
/* oklch */ color: oklch(23.5% 0.078 24.5);

Tailwind

colors: {
  custom: {
    50: '#764d4b',
    500: '#3b090a',
    950: '#000000',
  },
}

SCSS

$custom: #3b090a;
$custom-light: #764d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3b090a",
  "rgb": {
    "r": 59,
    "g": 9,
    "b": 10
  },
  "hsl": {
    "h": 358.8,
    "s": 73.529,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23492,
    "c": 0.0776,
    "h": 24.5
  },
  "luminance": 0.01147
}

Semantic roles & 50–950 ramp

primary

#3B090A

secondary

#277977

accent

#F0ED38

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B090A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →